int main() {
lxw_workbook *workbook = new_workbook("test_chart_doughnut05.xlsx");
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
lxw_chart *chart = workbook_add_chart(workbook, LXW_CHART_DOUGHNUT);
uint8_t data[3][2] = {
{2, 60},
{4, 30},
{6, 10},
};
int row, col;
for (row = 0; row < 3; row++)
for (col = 0; col < 2; col++)
worksheet_write_number(worksheet, row, col, data[row][col], NULL);
chart_add_series(chart,
"=Sheet1!$A$1:$A$3",
"=Sheet1!$B$1:$B$3"
);
chart_set_rotation(chart, 360);
worksheet_insert_chart(worksheet, CELL("E9"), chart);
return workbook_close(workbook);
}
/*
* Create a worksheet with examples charts.
*
*/
int main() {
lxw_workbook *workbook = new_workbook("chart_pie.xlsx");
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
lxw_chart *chart ;
lxw_chart_series *series;
/* Add a bold format to use to highlight the header cells. */
lxw_format *bold = workbook_add_format(workbook);
format_set_bold(bold);
/* Write some data for the chart. */
write_worksheet_data(worksheet, bold);
/*
* Chart 1: Create a simple pie chart.
*/
chart = workbook_add_chart(workbook, LXW_CHART_PIE);
/* Add the first series to the chart. */
series = chart_add_series(chart, "=Sheet1!$A$2:$A$4", "=Sheet1!$B$2:$B$4");
/* Set the name for the series instead of the default "Series 1". */
chart_series_set_name(series, "Pie sales data");
/* Add a chart title. */
chart_title_set_name(chart, "Popular Pie Types");
/* Set an Excel chart style. */
chart_set_style(chart, 10);
/* Insert the chart into the worksheet. */
worksheet_insert_chart(worksheet, CELL("D2"), chart);
/*
* Chart 2: Create a pie chart with user defined segment colors.
*/
chart = workbook_add_chart(workbook, LXW_CHART_PIE);
/* Add the first series to the chart. */
series = chart_add_series(chart, "=Sheet1!$A$2:$A$4", "=Sheet1!$B$2:$B$4");
/* Set the name for the series instead of the default "Series 1". */
chart_series_set_name(series, "Pie sales data");
/* Add a chart title. */
chart_title_set_name(chart, "Pie Chart with user defined colors");
/* Add for fills for use in the chart. */
lxw_chart_fill fill1 = {.color = 0x5ABA10};
lxw_chart_fill fill2 = {.color = 0xFE110E};
lxw_chart_fill fill3 = {.color = 0xCA5C05};
/* Add some points with the above fills. */
lxw_chart_point point1 = {.fill = &fill1};
lxw_chart_point point2 = {.fill = &fill2};
lxw_chart_point point3 = {.fill = &fill3};
/* Create an array of the point objects. */
lxw_chart_point *points[] = {&point1,
&point2,
&point3,
NULL};
/* Add/override the points/segments of the chart. */
chart_series_set_points(series, points);
/* Insert the chart into the worksheet. */
worksheet_insert_chart(worksheet, CELL("D18"), chart);
/*
* Chart 3: Create a pie chart with rotation of the segments.
*/
chart = workbook_add_chart(workbook, LXW_CHART_PIE);
/* Add the first series to the chart. */
series = chart_add_series(chart, "=Sheet1!$A$2:$A$4", "=Sheet1!$B$2:$B$4");
/* Set the name for the series instead of the default "Series 1". */
chart_series_set_name(series, "Pie sales data");
/* Add a chart title. */
chart_title_set_name(chart, "Pie Chart with segment rotation");
/* Change the angle/rotation of the first segment. */
chart_set_rotation(chart, 90);
/* Insert the chart into the worksheet. */
worksheet_insert_chart(worksheet, CELL("D34"), chart);
return workbook_close(workbook);
}
